If they are turning brown, I have no solution as that problem is often "bleed through" from underneath the white portion. If you have dark smudges to remove, I use lacquer thinner on my wide whites. A liberally soaked ragged a nd a quick swipe does the trick. Simple Green cleaner does a decent job on some marks as well.

Diamondback recommends a green scotch-brite pad on their tires. This has worked well for me, both on their tires and other whitewalls. I use an old kitchen sponge with the scotch-brite backing, and then wipe with a damp rag.

Although 'Wesleys Bleach White' is technically no longer around and 'McGuire's' who seem to have taken it over are producing a weaker mixture I still find this to be the best, but one has to start when the tyres are new. I do mine every week and they are really bright white still 7 years later. Apply and leave a few minutes, then use a scrubbing brush.

Hi EAM. Many thanks for your recommendation. I am based in the UK and we have a "spray nine" supplier here, but they have many different products. Which exact one do you use ?

I'm in the UK too bazilman and I have used Spray-nine but sorry to say I didn't find it effective. Could be it's a different formula for us Brits? I get my McGuier's sent over from the US. 1/2 gallon at a time, lasts years.

I bought a set of whitewalls for my 57 a few years ago,they were new wrapped in plastic but when i cleaned the blue protector off they were yellowed. I tried using "Bleche Wite" but they still had yellow tinge so I decided to try sanding with 180 wet & dry, used wet. Success! they came up white. Now I just use the Bleche-Wite to keep them white with the occasional use of sanding when they pick up a scuff from all the potholes we have on our UK roads. That is the downside of having 4 1/4 whitewalls you only have to go down a shallow hole to get a mark on the edge of the whitewall. I will also have to look at replacing my Bleche-Wite as I am nearly out.The bottle I am using was a raffle prize from my car club over 20 years ago though I have only been using it since getting my car back on the road 5 years ago.

The brown bleeding through is entirely different than dirt and marks on a whitewall. In Northern California we have a local supplier (his own formula) of extra strength cleaner that is designed to be kind to tire material (started out primarily for the printing industry) yet it does get rid of the brown. I believe he might ship worldwide. Here is the website: http://pacpro1088.wixsite.com/pacpro and the specific product is PC#35400. He has a lesser strength product that does not get the brown. I have a set of Diamond Backs and they bleed brown through (I'll never buy another Diamond Back because of it), and this is the only thing I have found that works. Diamond Backs recommendations don't work with the brown unless you basically sand the surface of the white which means before long you won't have a whitewall.

Like Dan, I use Spray Nine with satisfactory results, (here in Canada). For stubborn marks like curb scuffs I will also use 0000 steel wool, (that is '4-zero' type), with the Spray Nine. The steel wool has just enough cutting action to remove the toughest scuffs but not mark the white wall. Eric's suggestion of Brillo pad use I suspect would be consistent with such. I am inclined to believe that repeated use of probably any cleaner will expedite the appearance of those tiny age cracks in time, so I clean only as required, occasionally. I once had to clean heavy rubber scuffs from a set of white walls that had been in storage for years and were scuffed badly from repeated moving. I just about gave up on cleaning them but the Spray Nine with the 4-zero steel wool eventually got most of it. I did have to substitute the Spray Nine with WD-40,& also with mineral spirits to remove the worst scuffs as Spray Nine was just not enough. Under some of the heaviest scuffs were those brown stains and shadows which did not entirely come off. I tried a tire cleaner bleach product which also failed to remove them, (Black Magic's 'Bleche-Wite'). Clay

One thing to note, there is actually no bleach in Westley's or Black Magic "Bleche White". They use that term (and intentionally misspell it) to imply that the tires will be as white as if bleached when using their product.

I know Brillo to work well but use Westley's on my 25,000 mile Diamondbacks (Michelins) with never a brown stain and am most satisfied with them and the cleaner I use. They will be there for all in attendance at the Washington GN to see. I will give Spray Nine a try one of these days.

Hello all: I have used Wesley's since 1955 on W/Walls on my 1955 Chevy and on many really dirty WW for years after and Wesley's always whitened them up till a couple years ago. I agree that Wesley's do not do very well anymore. Bought two qts then , will return them, and use cleaner as suggested on recent posts.

Supposedly the ingredient that made Westley's work so well in the past has been either banned or no longer allowed to be used in consumer products. Regardless, it definitely no longer works as well as it once had.

Brillo or SOS is the single best remedy for marked/stained/soiled WW tires. If they don't work, nothing will.

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Yes, Wesley's is not the same product that it once was & interesting comment that no bleach is in that Black Magic product, (hence the odd spelling "Bleche-Wite"). My experience is that it did not work well, period. Gonna stick with Spray Nine and for stubborn marks use it with 4-zero steel wool. May also raid the wife's kitchen supply of Brillo as well! Clay/Lexi